Perpetual Motion explores two great agents of creation and destruction – the atmosphere and the oceans. Together they create the patterns of life from rainforest to desert – and also produce the furies of hurricanes and tornadoes.
In the Beginning is the story of the origin of our solar system and the formation of our planet. Gorgeous visual images clearly illustrate the long geological history of ice and fire which formed the Earth's crust, spawned volcanoes, created our atmosphere, turned our sky blue, and brought forth such wonders as the Earth's magnetic field and the aurora borealis.
Scientists teach a gorilla to use sign language to communicate with them narrator Martin Sheen.
Individuals care for a population of once-captive chimpanzees that scientists used for research.
Meet the pioneering group of scientists who transformed our understanding of ecology.
The current threats by man to five endangered species of rhino are contrasted with its flourishing history.
Watch as the Kalahari swarms with life brought forth by a brief season of sudden storms.
Undisturbed the saguaro cactus can grow to 60 feet, weigh 10 tons and live 150 years.
The history of diamonds, from their beginnings in the earth's core to mining and acquisition.
How wildlife and animal life survive in the severe landscape of Death Valley.
Eruption of volcano Krakatoa
Baboons and eland are some of the creatures who cope with the hostile environment of the Drakensberg Mountains in Southern Africa.
Natural wonders of Hawaii include volcanic eruptions, molten lava, monstrous waves and humpbacked whales.
Emmy-winning filmmaker Hugh Miles presents a lyrical portrait of Scotland's Caledonian Forest.
Northwest Montana: wildest country left
Scientists reveal the hidden world of white-tailed deer in a whole new light.
Exploration of Puget Sound's ecosystem.
Sharks, rays, squids and blue whales live in Pacific waters off the California coast.
Take on the mystery of the eel with artist, writer and eminent naturalist James Prosek.
Female Adelie penguins lay their eggs on land, head for the sea, leaving males to guard the nests, and return a month later.